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To start with the 1998 & later cars have a network of computers that control ALL of the interior functions of the car...There are at least 10 computers on that network..you need to have someone with MB scanner NOT ODB2 scan that network.
MOST times the problem ISN'T what doesn't work but a system that is working causes the problem!... Disconnecting the battery might bring the door modules back to life for a while... Rear door modules are the most likely problem as well as the PSE pump (central locking).
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator
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